BASEBALLAmerican LeagueBOSTON RED SOX — Placed RHP Rick Porcello on the 15-day DL, retroactive to Thursday. HOUSTON ASTROS — Optioned RHP Vincent Velasquez to Corpus Christi (TL). NEW YORK METS — Placed RHP Diego Moreno on the 15-day DL. Recalled RHP Branden Pinder from Scranton/Wilkes-Barre (IL). OAKLAND ATHLETICS — Designated LHP Eric O'Flaherty for assignment.